---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1959 6.8.0-90-generic #91-Ubuntu SMP PREEMPT_DYNAMIC Tue Nov 18 14:14:30 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 2 On-line CPU(s) list: 0,1 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 2 Stepping: 0 BogoMIPS: 5600.00 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 64 KiB (2 instances) L1i cache: 64 KiB (2 instances) L2 cache: 1 MiB (2 instances) L3 cache: 32 MiB (2 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0,1 Vulnerability Gather data sampling: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Vulnerable: Safe RET, no microcode Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 2 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 795M 1.1M 794M 1% /run /dev/vda1 38G 8.0G 30G 22% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda16 881M 117M 703M 15% /boot /dev/vda15 105M 6.2M 99M 6% /boot/efi tmpfs 795M 16K 795M 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7941 769 5104 4 2361 7172 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host noprefixroute valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:2b:07:b8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.237/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82295sec preferred_lft 82295sec inet6 fe80::f816:3eff:fe2b:7b8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1959) 08/04/26 _x86_64_ (2 CPU) 01:45:26 LINUX RESTART (2 CPU) 01:50:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:11 1.75 0.05 1.67 0.03 3.39 20.28 437.40 02:10:12 2.05 0.26 1.76 0.03 32.06 78.06 1.32 02:20:13 1.41 0.00 1.40 0.01 0.01 16.40 0.72 02:30:13 1.58 0.00 1.56 0.01 0.00 18.62 435.21 02:40:13 1.23 0.00 1.23 0.00 0.00 14.74 0.00 02:50:14 25.56 2.99 20.25 2.32 227.90 3642.45 702.33 Average: 5.60 0.55 4.65 0.40 43.95 632.59 262.90 01:50:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:11 6290308 7538212 282148 3.47 30640 1422956 519720 5.66 443752 1183804 280 02:10:12 6257728 7533376 286512 3.52 31044 1449916 519856 5.66 452984 1202100 124 02:20:13 6264392 7540560 279348 3.43 31240 1450236 519988 5.66 453240 1202616 124 02:30:13 6261652 7538360 281472 3.46 31416 1450572 519992 5.66 453412 1203128 124 02:40:13 6268484 7545796 274032 3.37 31560 1451028 520632 5.67 454708 1203600 124 02:50:14 5133220 7373384 392820 4.83 88084 2311536 670904 7.31 632712 2075316 136 Average: 6079297 7511615 299389 3.68 40664 1589374 545182 5.94 481801 1345094 152 01:50:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:11 ens3 0.69 0.06 0.08 0.02 0.00 0.00 0.00 0.00 02:10:12 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:12 ens3 0.63 0.27 3.24 0.03 0.00 0.00 0.00 0.00 02:20:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:13 ens3 0.65 0.07 6.87 0.03 0.00 0.00 0.00 0.00 02:30:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:13 ens3 0.17 0.05 0.04 0.02 0.00 0.00 0.00 0.00 02:40:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:13 ens3 6.20 3.68 4.12 3.34 0.00 0.00 0.00 0.00 02:50:14 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 02:50:14 ens3 77.03 55.81 338.80 17.38 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 14.24 10.00 58.94 3.47 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1959) 08/04/26 _x86_64_ (2 CPU) 01:45:26 LINUX RESTART (2 CPU) 01:50:12 CPU %user %nice %system %iowait %steal %idle 02:00:11 all 0.33 0.00 0.19 0.01 0.03 99.44 02:00:11 0 0.15 0.00 0.20 0.02 0.03 99.60 02:00:11 1 0.51 0.00 0.18 0.00 0.02 99.28 02:10:12 all 0.39 0.00 0.10 0.02 0.02 99.47 02:10:12 0 0.43 0.00 0.12 0.04 0.02 99.39 02:10:12 1 0.35 0.00 0.08 0.01 0.02 99.55 02:20:13 all 0.26 0.00 0.07 0.01 0.02 99.64 02:20:13 0 0.07 0.00 0.08 0.01 0.02 99.81 02:20:13 1 0.44 0.00 0.07 0.01 0.02 99.46 02:30:13 all 0.29 0.00 0.15 0.01 0.02 99.53 02:30:13 0 0.08 0.00 0.16 0.01 0.03 99.73 02:30:13 1 0.50 0.00 0.14 0.01 0.02 99.33 02:40:13 all 0.37 0.00 0.10 0.03 0.02 99.49 02:40:13 0 0.53 0.00 0.10 0.05 0.02 99.31 02:40:13 1 0.21 0.00 0.09 0.00 0.02 99.67 02:50:14 all 15.33 0.00 1.75 0.57 0.05 82.30 02:50:14 0 16.04 0.00 1.80 0.67 0.05 81.44 02:50:14 1 14.63 0.00 1.70 0.47 0.05 83.15 Average: all 2.83 0.00 0.39 0.11 0.03 96.64 Average: 0 2.88 0.00 0.41 0.13 0.03 96.55 Average: 1 2.77 0.00 0.38 0.08 0.03 96.74